On Fri, 15 Dec 2017 19:14:54 +1100
Balbir Singh <bsinghar...@gmail.com> wrote:
> Our check was extra cautious, we've audited crash_send_ipi
> and it sends an IPI only to online CPU's. Removal of this
> check should have not functional impact on crash kdump.
>
Reviewed-by: Nicholas Piggin <npig...@gmail.com>
> Signed-off-by: Balbir Singh <bsinghar...@gmail.com>
> ---
> arch/powerpc/kernel/crash.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
> index cbabb5adccd9..29c56ca2ddfd 100644
> --- a/arch/powerpc/kernel/crash.c
> +++ b/arch/powerpc/kernel/crash.c
> @@ -69,9 +69,6 @@ static void crash_ipi_callback(struct pt_regs *regs)
>
> int cpu = smp_processor_id();
>
> - if (!cpu_online(cpu))
> - return;
> -
> hard_irq_disable();
> if (!cpumask_test_cpu(cpu, &cpus_state_saved)) {
> crash_save_cpu(regs, cpu);
